baber/WOPTO huggingface dataset:
Patent GB-203487-A (GB)
Title: Improvements in or relating to boots and shoes
IPC: A43B13/18
Filed: 1922-08-04
Abstract: 203,487. Percival, H. Aug. 4, 1922. Heets.-A resilient heel of the built-up type is composed of a number of leather lifts each having a central hole or recess filled with rubber or other resilient material. After the upper 3 and heel stiffener 4 have been lasted, a layer 5 of rubber &c. is arranged on the heel seat to stand slightly above the edge of the upper. Apertured or recessed leather lifts 6, 6<a>, of the form shown in Fig. 5, are superposed on the layer 5 and the aperture filled in with resilient layers 8, 10. A lift or rand 9, of the form shown in Fig. 6, is then added and filled in with a resilient layer 11 which extends to the heel breast. The heel is completed bv a lift 6<b> similar to the lifts 6, 6<a> and by a plain top lift. The resilient layers 5, 8 are larger than the layers 10, 11 so that the yielding centrepart of the heel is of somewhat conical form.
Patent GB-848598-A (GB)
Title: Production of chloroprene
Inventor: CROCKER HENRY PETER
IPC: C07C17/25
Filed: 1958-07-04
Abstract: Chloroprene is produced by treating 3, 4-dichlorobutene-1 with an aqueous alkali metal hydroxide solution at 70 DEG -130 DEG  C. under pressure sufficient to maintain the reaction mixture in the liquid phase, separating an oil phase containing chloroprene and unreacted dichlorobutene and distilling the oil phase to recover chloroprene. The reaction may be carried out batchwise or continuoulsy; in the latter case unreacted dichlorobutene is preferably recycled. 1-Chlorobutadiene may be formed as a by-product. p
Patent GB-944267-A (GB)
Title: Low modulus rubber materials and the preparation thereof
IPC: C08K5/5399
Filed: 1962-06-05
Abstract: Furnace carbon black is ball-milled.  The acidic black (pH = 4.5) is treated with 2,2,4,4, 6,6 - hexa - (2 - methyl - 1 -aziridinyl)2,4,6-triphospha-1,3,5-triazine in various concentrations (0.2-1.0 gm. per 20 gms. of black) in a solution in toluene.  About 95% of the triazine is taken up.ALSO:Mixtures of a natural or synthetic rubber (including ethylene/propylene copolymers) and an acidic carbon black are cured by a mixture of an organic peroxide and an aziridinyl compound of one of the formulae: <FORM:0944267/C3/1> <FORM:0944267/C3/2> and <FORM:0944267/C3/3> wherein R is a 1-aziridinyl group, hydrogen or an alkyl, aryl, aralkyl or alkaryl group containing 1 to 12C atoms and at least 2 of the R groups are aziridinyl groups and X is either oxygen or sulphur.  The carbon black may be a channel black or a furnace black that has been ball milled, ozonized or treated with nitric acid. Long lists of peroxides and aziridinyl compounds are given.
Patent GB-721629-A (GB)
Title: Hydraulic continuous speed change gear
IPC: F16H39/14
Filed: 1952-08-29
Abstract: 721,629. Hydraulic gears. SOC. PER AZIONI CAMBI IDRAULICI BADILINI. Aug. 29, 1952 [Sept. 19, 1951], No. 21706/52. Class 69 (2). In a hydraulic change speed gear comprising a driving shaft 1, a driven shaft 2, a stationary shaft 3, a pump 7a having cylinders keyed on the driving shaft, a hydraulic engine 7b having cylinders keyed on the stationary shaft 3, the pump and engine being hydraulically connected in a closed circuit by a distributing element 6 arranged between the cylinder heads and firmly connected to the driven shaft 2, a rotary housing 18 fast with the driven shaft and enclosing the pump and engine, and tiltable plate units 16a, 16b pivoted upon the housing 18, the free ends of the pump and engine piston connecting rods 7 and 7<SP>1</SP> resting on the plate units 16a and 16b respectively, the plate units varying according to their slope, the capacity of the pump and engine and therefore the speed ratio, devices for controlling the slope of the plates are carried by the rotary housing and comprise a cylinder C having a differential piston 22 in which slides a distributing piston 25, the piston 22 being connected to the plate unit 16a and the piston 25 through a rod 27 and lever 12 to the control lever 10. As shown in Fig. 1, the plate units are connected by a rod 24, but in another embodiment this rod is replaced by a second cylinder connected hydraulically to the cylinder C and mechanically with the plate unit 16b so that one cylinder operates its plate unit only when the other has completed its movement. An auxiliary pump D puts in circulation again leaking fluid which collects in the outer stationary housing enclosing the rotary housing. With the plate unit 16a vertical as in Fig. 1, in spite of rotation of the driving shaft 1, the pump pistons will not operate and therefore the shaft 2 remains stationary. If plate unit 16a is tilted, the pump delivers oil to the engine cylinders, this brings about rotation of the plate unit 16b and hence of the housing 18 and the driven shaft 2. If the plate unit 16a is tilted so that plate unit 16b is brought to its neutral position, all the motion will be transmitted to the driven shaft 2 directly from the driving shaft through the plate unit 16a. Hence in all positions intermediate between the positions when the plate unit 16a and the plate unit 16b are vertical, rotation is transmitted from the driving to the driven shaft both directly through the plate unit 16a and through the plate unit 16b which is caused to rotate under the action of the oil which passes from the pump to the engine.
Patent GB-578443-A (GB)
Title: Improvements in brake controlling devices
IPC: B64C25/44
Filed: 1943-12-28
Abstract: 578,443. Linkwork. LORD MANUFACTURING CO. Dec. 23, 1943, No. 21755. Convention date, Oct. 29, 1942. [Class 80 (iii)] [Also in Groups XXXIII and XXXIV] A lever, with adjustable cushioning-means incorporated therein, operates a brake control valve. As shown, the lever 3 consists of parts 42, 43, the formed having an eye to which a cable is attached to pull the lever upwards. Forks 51 on the part 42 bear on a rubber cushion 48 supported on and bonded to a plate 46 carried by a V-sectioned extension 45 of the part 43 which is pivoted at 4 to the bracket 5 on the valve 46. The extension 45 carries a roller 7 which bears on the adjusting-screw 8. The part 43, which straddles the part 42, is provided with a series of holes 52 registering with holes in the part 42, so that a pin 54 may be engaged with any selected aligned holes. By placing the pin 54 nearer to, or further from, the cushion 48, the effective resilience of the cushion may be varied. Top and intermediate plates 49, 50 are bonded to the rubber to stiffen the cushion.
Patent GB-294658-A (GB)
Title: Arrangement in turbine-driven locomotives
IPC: F01K15/02
Filed: 1928-07-27
Abstract: 294,658. Aktiebolaget Ljungstr÷ms Angturbin. July 28, 1927, [Convention date]. Railway locomotives, steam-turbine.-In a turbine-driven locomotive having auxiliary turbines for driving a blower fan and condenser fans the main steam supply passes in series from the superheater 10 through the blower fan turbine 12 and the condenser fan turbine 9 to the main propelling turbine 5. Thus the main and auxiliary turbines are simultaneously controlled by means of a valve 22 between the superheater and the blower fan turbine. In order to allow more or less independent working of the auxiliary turbines, (1) a valve 24 is adapted to admit saturated steam through a pipe 26 to the blower turbine from a distributor 27 and pipe 25, (2) the blower turbine may be completely or partly bye-passed by means of a valve 28 connecting the inlet pipe 11 to the turbine and the exhaust pipe 14, and (3) a valve 31 may admit saturated steam to the condenser turbine 9 and an air injector 30. The valves 24, 28 are controlled by a single handle 23 and a shaft 23<a>, and are so arranged that when the valve 28 is in the position shown in Fig. 4 for normal running, the bye-pass to the pipe 14 being partly open, the valve 24 is almost completely closed. To supply more power proportionally to the blower turbine the valves are rotated counterclockwise through 45‹, closing the bye-pass and opening the valve 24, while to cut out the blower completely the valves are rotated clockwise through 45‹. An additional control for the condenser fan turbine is provided by means of three pipes connecting the exhaust chamber of this turbine with the main turbine. One pipe 16 is always open, 17 is opened automatically when the main valve 22 is opened widely, a connection 34, 35 being provided between the handle 21 and a valve controlling the pipe 17, and 18 may be opened when it is desired, as in hot weather, to reduce the back pressure of the condenser turbine and thus allow it to develop more power. The invention is shown applied to a locomotive having a boiler vehicle, and a condenser and turbine vehicle 3. Specification 215,358 is referred to.
Patent GB-909275-A (GB)
Title: End to end connection for bars, especially mine roof bars
IPC: E21D17/086
Filed: 1959-06-01
Abstract: 909,275. Mine roof supporting bars. VANWERSCH, L., VANWERSCH, A., and VANWERSCH, P. June 1, 1959 [May 30, 1958], No. 21886/62. Divided out of 909,274. Class 20 (2). [Also in Group XXV] In bars for supporting mine roofs connected end to end, in which a bar 2 to be erected is turned about a pin 5 on a bar 1 already in position by means of a wedge 7 driven through holes 6 in the bar 1 and engaging an inclined surface 8 on the bar 2, spring pins 12, 17 fixed at one end to the bar 1 at the other end engage grooves 10, 15 respectively in the wedge 7 and the pin 5 to retard their movement. The engagement of the springs with the end of the grooves prevents withdrawal of the pin and the wedge.
Patent GB-697237-A (GB)
Title: Improvements in or relating to the manufacture of mastic asphalt
IPC: E01C7/18
Filed: 1950-09-05
Abstract: Mastic asphalt is prepared by reducing in a flail mill without heating fragmented asphalt cement and finely-graded mineral aggregate in an amount sufficient to prevent the cement coalescing, then adding complemental aggregate through a powder blender, the aggregate then comprising the major component of the final mixture.  The aggregates, which do not react chemically with the asphaltic cement, specified are limestone or silicious powder which can be the complemental or finely-graded mineral aggregate, but the former may also include fibrous matter, e.g. asbestos or wood, exfoliated minerals, e.g. vermiculite, or grit, or mixtures thereof.  Specified cements are asphaltic bitumen, lake and natural asphalt, asphaltic resins, coal-tar resins or pitches, low temperature carbonization pitches, refined natural or synthetic vegetable resins, with or without flux oil, or mixtures thereof. Pigments may also be included.
Patent GB-1255031-A (GB)
Title: Improvements in or relating to distributors for distributing granular material over the ground
Inventor: BAMFORD RICHARD HAWTHORN
IPC: A01C15/06
Filed: 1968-05-09
Abstract: 1,255,031. Granular material distributor. BAMFORDS Ltd. 25 April, 1969 [9 May, 1968], No. 21957/68. Heading AID. A distributor for granular material comprises a hopper 10, and at least one boom 15 having discharge outlets for the granular material and being moveable between an aperture position and a transport position (dotted lines Fig. 1). The booms are of tubular cross-section and contain feed means 48 preferably in the form of an archimedian screw with the blades 49 formed from flexible filamentary material. The booms pivot about an axis which is transverse to the length of the boom, or upwardly or at some intermediate inclined position and the transmission driving the feed means is automatically disengaged when the booms are pivoted into the transport position. The feed means is arranged to advance material along the length of the boom and to lift material to the level of the discharge outlets 20. The openings to the booms are closeable to prevent the delivery of material when the booms are in the inoperative position and the rate of delivery of the material is selectively variable. The material is carried at least partially by gravity from the hopper 10 to the subordinate chamber 65 which has a series of openings similar to the openings in the booms. The material is then acted upon by the feed means, which, in the central portion of the subordinate chamber comprise a member 103a which has straight vanes. The member 103a is mounted co-axially, or approximately so, with the screw augers 48. The feeding members are arranged so as to be easily removeable. In an embodiment Fig. 9 (not shown) a return screw auger 130 is provided for each boom to return excess material from the ends of the conveyor to the hopper. In a further embodiment Fig. 10 (not shown) the feed means comprises an endless belt whose upper run carrier material along the booms and whose lower run returns the excess material to the hopper. Paddles are provided to lift the material to the outlet openings.
Patent GB-1119618-A (GB)
Title: Improvements in or relating to shields or guards
Inventor: CORBETT GEORGE
IPC: F16P1/04
Filed: 1966-05-17
Abstract: 1,119,618. Machinery guards. BIRFIELD ENG. Ltd. 17 May, 1967 [17 May, 1966], No. 21975/66. Heading F2J. A shield for a universal joint comprises a longitudinally split synthetic plastics moulding having a small diameter end 5, adapted to be clamped to a shaft, a large diameter end 3, having a tongue 12 and slot 13 connection, and an intermediate conical portion 1. The tongue 12 is of square cross-section which is adapted to fit within the slot 13 which has an edge opening 14. The end 5 has a peripheral groove 9 adapted to receive a clamping band 9. When fitted on a shaft, the edges of the conical portion 1 overlap one another.
Patent GB-750385-A (GB)
Title: Means for detecting immediately variations of the temperature in the lining of containers of furnaces or the like
IPC: G01K1/14
Filed: 1954-07-28
Abstract: 750,385. Temperature alarms. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. July 28, 1954 [Aug. 18, 1953], No. 22020/54. Class 118(1) [Also in Group XII] Indication of incipient failure of the lining 1 of a metal-melting furnace, e.g. an electric arc furnace, is given by forming holes 5 in the casing 2, inserting copper bolts 6 surrounded by a sleeve 10 of insulating material which may be extended over the inner and outer surfaces of the casing 2, the said bolts being provided with spreaders 7 giving good contact with the lining 1, and connecting the bolts through contact pieces 9 with temperature measuring elements 4. The latter are connected to separate relays controlling the lighting of lamps on a panel representing the furnace bottom (Fig. 4, not shown). With this arrangement, one or more of the lamps are lit where excessive temperatures occur due to partial failure of the furnace lining with penetration of molten metal. The arrangement may be replaced or combined with signal equipment giving an audible warning. In a modification (Fig. 2, not shown), the heating effect on the copper bolts is enhanced by hollowing them out for the passage of hot gases driven out of the pores of the lining. The temperature measuring elements 4 may be covered by channel-section girders to protect them from damage or from the cooling effect of water flowing over the casing 2.
Patent GB-1358349-A (GB)
Title: Split dagor-type of symmetrical copying lens system
IPC: G02B13/26
Filed: 1972-05-11
Abstract: 1358349 Copying lens XEROX CORP 11 May 1972 [14 May 1971] 22055/72 Heading G2J A unit-magnification copying lens with a diaphragm dividing symmetrical lens groups. The outer and inner pairs of symmetrical lenses are positive and the intermediates are negative. Optical data are given.
Patent GB-460969-A (GB)
Title: Improvements in or relating to the treatment of cyanide solutions containing dissolved precious metals
IPC: C22B11/08
Filed: 1935-08-03
Abstract: In a process for treating alkaline cyanide solutions containing precious metals in which the latter are precipitated by zinc, the partial removal of the dissolved oxygen from solution is effected by mechanical deaeration or by passing through a sand clarifying filter containing iron and then all traces of the remaining oxygen are removed by the addition of an alkali or alkaline earth hydrosulphite. The solution is then introduced into the cyanide solution which is then passed through a precipitating filter and the filtrate is oxidized to destroy any remaining traces of the hydrosulphite so that it can be used again.  The zinc in the form of zinc dust may be mixed in an emulsifier before being introduced into the cyanide solution and a soluble lead salt such as the nitrate or acetate to coat the zinc particles with lead may also be added to the emulsifier.  When the zinc is used in the form of zinc shavings, the hydrosulphite is added to the partly deaerated solution flowing to the boxes in which the zinc shavings are packed.
Patent GB-837605-A (GB)
Title: New cyclopentanophenanthrene derivatives, and method for their manufacture
IPC: C07J1/00
Filed: 1956-07-17
Abstract: The invention comprises 1-methyl-19-norandrostane-17b -ol-3-one and the 17-carboxylic esters thereof, and the preparation of these compounds by catalytically hydrogenating 1-methyl - 19 - nor - testosterone and carboxylic esters thereof.  A suitable hydrogenation catalyst is palladium-on-barium sulphate.  The carboxylic esters may also be prepared by esterifying 1-methyl-19-nor-androstane-17b -ol-3-one. The carboxylic esters may be derived from a hydrocarbon carboxylic acid of less than 12 carbon atoms which may be substituted, e.g. by halogen or lower alkoxy substituents.  The carboxylic acids may be aromatic, aliphatic or cyclic acids, e.g. acetic, propionic, butyric, undecylenic, b -cyclopentylpropionic or benzoic acid.  In the examples: (1) 1-methyl-19-nor-testosterone is hydrogenated in the presence of palladium-on-barium sulphate catalyst to give 1 - methyl - 19 - nor - androstane - 17b  - ol - 3 - one in the form of an oil probably consisting of a mixture of the 5a  and 5b -isomers which may be separated by conventional procedures to separate the predominate 5a -isomer; (2) various carboxylic esters of 1 - methyl - 19 - nor - testosterone are hydrogenated to form the corresponding esters of 1-methyl-19-nor-androstane-17b -ol-3-one, which may also be prepared by the direct esterification of 1-methyl-19-nor-androstane-17b -ol-3-one.
Patent GB-1134355-A (GB)
Title: Inlet water valve float
IPC: E03D1/33
Filed: 1967-05-12
Abstract: 1,134,355. Valves. A. SCHOEPE and F. E. SCHMUCK. 12 May, 1967 [23 June, 1966], No. 22112/67. Heading F2V. A float 18 suitable for controlling the operation of a cistern inlet valve comprises a cylindrical skirt 32 formed integral along a diameter thereof with a rectangular guide passage 38 and a rectangular water chamber 36. The skirt is integral with a top wall 34 having openings for the guide passage and the water chamber. In use, during filling of the cistern, the water flows into chamber 36 via passage 42 and weir 54. When the water reaches level 70, the float rises to close the inlet valve (20) via a link connected to lug 28 and a lever. A rectangular guide post (30) co-operates with guide ribs 68 in guide passage 38. During subsequent lowering of the water level after flushing, the level in chamber 36 drops to the level of weir 54. The bevelled edge 56 of the weir is said to prevent the formation of a meniscus. Rotation of the float and guide disengages parts of valve (20). The float can be moulded from polyethylene.
Patent GB-1337867-A (GB)
Title: Filling elements for counter pressure filling machines
IPC: B67C3/26
Filed: 1971-04-19
Abstract: 1337867 Back-pressure filling machines SEITZ-WERKE GmbH 19 April 1971 [20 Feb 1970] 22219/71 Heading B8T The filling elements of a back-pressure filling machine each have an electrical control switch to close a liquid supply valve when a bottle has been filled to a predetermined height. The bottle is pushed up into a tulip 26 which itself is forced against the bottom of a filling element 13, the container being sealed by the rubber member 25. During this operation, a switch 27 is actuated and the solenoid 49 opens an inlet 47 to fluid which flows into a space 48 and raises the piston 45 and hence the valve body 41. This movement breaks the seal between the body 41 and a seat 40 which allows pressure gas from the container 10 to enter the bottle via a bore 21. When the pressure in the container 10 and the bottle is almost balanced, the valve body 19 is moved upwards by the spring 31 until it reaches a stop 38. In doing so, a switch 39 is influenced to actuate the control switch 57, which has switching means (not shown) associated with it. When the body 19 rises, liquid can flow from the container 10 into the bottle, the gas escaping through an orifice 43 in a gas pipe 42 and to the atmosphere or a storage vessel by way of a bore 44 and a conduit 55. When the level of liquid in the bottle reaches the switch 57, the solenoid 49 is actuated to close the inlet 47 and open inlet 46, and thus the piston 45 and the valve bodies 41, 19 are pushed back to their original positions. The excess liquid in the annular gap 23 is led off via the gas line 42, 44, 55, the excess pressure gas in the bottle escaping in the same way. The height of the control switch 57 can be adjusted to achieve the desired level of liquid in the bottle. If desired, after the filling operation, an inert gas can be introduced to the liquid-free area of the bottle by means of a solenoidoperated valve (70) (Figs. 2, 3, not shown).
Patent GB-1307885-A (GB)
Title: Safe-starting control system for a missile
IPC: F42C15/40
Filed: 1970-05-08
Abstract: 1307885 Launching missiles RAFAUT & CIE 8 May 1970 [13 May 1969] 22326/70 Heading F3C The invention relates to a safe starting control system for a missile which is to be carried on and fired from a carrier vehicle, the system being adapted to control the starting of at least one control mechanism in the missile a predetermined time after it has been fired from the vehicle. The system comprises an electric cable 2 one end of which is adapted to be detachably connected to an electric power source provided on the carrier vehicle (not shown) and operative to supply an electric signal upon firing of the missile therefrom, a pyrotechnic time delay relay 5 electrically connected to the other end of the electric cable and operative to be ignited by the electric signal and to provide a mechanical signal after a predetermined time delay corresponding to the combustion period of the pyrotechnic relay, a transducer adapted to provide an electrical control signal in response to the mechanical signal and a starting mechanism 7 responsive to the electrical control signal from the transducer to control the start of the control mechanism or one or each of the control mechanisms. A switch 48 is provided which is operative to switch off the electrical connection between the time delay relay and the electric cable until the missile is detached from the carrier vehicle. A safety circuit 60 is provided so that a control signal accidentally produced by the transducer as a result of its receiving a shock will not operate the starting mechanism.
Patent GB-598127-A (GB)
Title: Improvements in or relating to electric heating devices
IPC: F24C15/10
Filed: 1945-08-30
Abstract: 598,127. Electric hot places. SHARPLES, J. T., and METROPOLITANVICKERS ELECTRICAL CO., Ltd. Aug. 30, 1945, No. 22372. [Class 39 (iii)] [Also in Group XXXVI] The sheath of the tubular element 1 is brazed at 10 into a terminal box 2, in which the current supply leads 6 are joined to the resistance wire 1a and wherein each element end is enclosed by its individual glass or glazing-flux seal 8 consolidated by a refractory ferrule 9 pressed into position over the supply lead joint while the glass is still plastic. A suitable glazing-flux contains 5 per cent china clay, 47 per cent lead borate and 48 per cent lead oxide. Specification 476,192, [Group XXXVI], is referred to.